Messages in this thread |  | | | Date | Sun, 23 May 2004 16:04:39 -0700 | | From | Andrew Morton <> | | Subject | Re: [PATCH] export swapper_space |
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James Bottomley <James.Bottomley@SteelEye.com> wrote: > > This is now used as part of the page_mapping() macro. However, certain > filesystems, such as ext3, make use of this. If it's not exported, they > can't be compiled as modules.
I'd be a bit reluctant to do this. filesystems actually have no need for page_mapping() - page->mapping is always correct in that context and page_mapping() has additional overhead. So if poss we should avoid this export so as to force filesystems to avoid page_mapping().
parisc broke because its flush_dcache_page() is inlined, and it uses page_mapping(). I'd suggest that parisc and arm uninline that function - it's quite large anyway.
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